
Low Gas Type - Ramtec RD series stands out as a paragon of excellence and stability in the realm of hydraulic breakers, setting the industry standard.
The product's structural design has undergone rigorous testing in the marketplace over an extended period, ensuring reliability and performance.
Meticulously crafted by the innovative minds at Ramtec, the latest RD series boasts exceptional high-temperature resistance, rapid frequency capabilities, formidable impact force, and superb reaction force control.
It has long enjoyed unwavering popularity among construction machinery enthusiasts and professionals alike.
With parts that are both simple and straightforward to replace, operators will find maintenance and part replacement an effortless task, enhancing operational efficiency.
The intelligently designed lightweight fuselage significantly reduces the burden on the excavator, thereby prolonging the hydraulic excavator's service life and minimizing carrier vibration and wear.
Its outstanding high-temperature resistance makes it an ideal choice for use in regions with elevated construction temperatures, ensuring peak performance and durability.
RD series Metric |
Description |
unit |
RD5 |
RD6 |
RD9 |
RD125 |
RD175 |
RD225 |
RD275 |
RD375 |
RD475 |
RD500 |
RD550 |
RD600 |
RD700 |
RD800 |
Operation weight |
kg |
285 |
349 |
465 |
865 |
1120 |
1750 |
1999 |
2200 |
2800 |
3995 |
4850 |
5010 |
6814 |
7911 |
Required oil flow |
l/min |
40-70 |
50-90 |
65-110 |
90-120 |
90-120 |
130-150 |
130-150 |
150-190 |
180-250 |
200-270 |
220-290 |
220-290 |
230-300 |
250-330 |
Operation pressure |
kg/cm2 |
110-140 |
120-150 |
130-160 |
140-160 |
150-170 |
160-180 |
180-200 |
180-200 |
180-200 |
220-270 |
220-270 |
220-270 |
220-270 |
230-300 |
Impact rate |
bpm |
750-980 |
600-950 |
550-900 |
450-850 |
400-750 |
350-700 |
350-700 |
300-650 |
260-450 |
200-370 |
150-210 |
150-210 |
120-170 |
100-150 |
Tool diameter |
mm |
68 |
75 |
90 |
110 |
120 |
135 |
140 |
155 |
165 |
180 |
195 |
200 |
210 |
235 |
Impact power |
J |
600 |
800 |
1350 |
1800 |
2000 |
3600 |
4100 |
5000 |
7100 |
13500 |
18500 |
20000 |
23000 |
27500 |
Carrier weight |
ton |
5-7 ton |
6-8 ton |
9-11 ton |
12-14 ton |
14-18 |
18-21 |
22-26 |
26-32 |
36-42 |
42-48 |
48-55 |
50-62 |
62-68 |
68-85 |
|
RD series Imperial |
Description |
unit |
RD5 |
RD6 |
RD9 |
RD125 |
RD175 |
RD225 |
RD275 |
RD375 |
RD475 |
RD500 |
RD550 |
RD600 |
RD700 |
RD800 |
Operation weight |
lb |
628 |
769 |
975 |
1907 |
2469 |
3858 |
4407 |
4850 |
6173 |
8807 |
10692 |
11045 |
15022 |
17441 |
Required oil flow |
gal/min |
11-18 |
13-24 |
18-28 |
24-32 |
24-32 |
34-40 |
34-40 |
40-50 |
48-66 |
53-71 |
58-77 |
58-77 |
61-79 |
66-87 |
Operation pressure |
psi |
1595-2031 |
1740-2176 |
1885-2320 |
2031-2320 |
2176-2466 |
2321-2611 |
2611-2901 |
2611-2901 |
2611-2901 |
3191-3916 |
3191-3916 |
3191-3916 |
3191-3916 |
3336-4351 |
Impact rate |
bpm |
750-980 |
600-950 |
550-900 |
450-850 |
400-750 |
350-700 |
350-700 |
300-650 |
260-450 |
200-370 |
150-210 |
150-210 |
120-170 |
100-150 |
Tool diameter |
inch |
2.68 |
2.95 |
3.54 |
4.33 |
4.72 |
5.31 |
5.51 |
6.1 |
6.5 |
7.09 |
7.68 |
7.87 |
8.27 |
9.25 |
Impact power |
J |
600 |
800 |
1350 |
1800 |
2000 |
3600 |
4100 |
5000 |
7100 |
13500 |
18500 |
20000 |
23000 |
27500 |
Carrier weight |
lb |
11023-15432 |
13228-17637 |
19842-24251 |
26455-30865 |
30865-39683 |
39683-46297 |
48501-57320 |
57320-70548 |
79366-92594 |
92594-105822 |
105821-121254 |
110231-136687 |
136686-149914 |
149914-187393 |

Company Profile
Ramtec CN. - Your Trusted Professional Manufacturer
Ramtec CN. Machinery Co., Ltd. Ramtec CN. Machinery Co., Ltd. stands as a preeminent leader in the hydraulic breaker manufacturing industry, uniquely integrating production, sales, and service under one expansive roof. Nestled within a sprawling 6,000-square-meter state-of-the-art manufacturing facility and complemented by a 2,000-square-meter modern office space, our team comprises over 70 dedicated professionals. This cadre includes seasoned engineers with extensive expertise in hydraulic product innovation, accomplished senior mechanical technicians, adept equipment debugging experts, and skilled assemblers-all united by a singular vision of excellence.
With an impressive annual design and production capacity of 5,000 units, Ramtec is at the forefront of pioneering high-end breaker products and Skid Steer Loaders. Our flagship Ramtec breaker lineup-featuring the high-performance Gas Type-RB series, the efficient low Gas Type-RD series, and the advanced fully hydraulic hammer RQ series-exemplifies our commitment to excellence. Additionally, our Rmatec Skid Steer Loaders, available in Rating Weights of 850kg and 1200kg, are crafted with precision and reliability. A rigorous quality monitoring system, meticulous procurement oversight, and stringent assembly control are the keystones of our production ethos. We are actively seeking visionary global partners to join us on this journey of innovation and growth.
At Ramtec, our pursuit of high-end brand development is driven by a foundation of scientific management, precision manufacturing, and revolutionary innovation. Our steadfast adherence to a robust production management system ensures the delivery of superior-quality excavators, loaders, and breakers to the global construction machinery market. Our products have proudly achieved ISO9001 quality management system certification and EU CE certification, underscoring our unwavering commitment to excellence.
Deeply entrenched in the construction machinery industry, Ramtec has garnered an impressive portfolio of over 10 invention patents and more than 24 utility models. Our expertise and innovation have earned us esteemed accolades, including the prestigious titles of Shandong High-tech Enterprise, Shandong Specialized and Innovative Enterprise, Shandong Science and Technology-oriented Small and Medium-sized Enterprise, and Yantai Innovative Small and Medium-sized Enterprise.
Guided by a legacy of craftsmanship and an unwavering original intention, Ramtec is poised for a promising future. We invite friends and partners from all sectors globally to join us in forging a prosperous, win-win future together.
Certifications
FAQ :
Question A : There is also a Ramtec Robi in Finland, what is the relationship between Ramtec CN and the one in Finland?
Answer A : The roots of Ramtec CN trace back to its role as a representative for Ramtec Finland in Northern China. In 2010,
we strategically established Ramtec CN to actively market and promote the renowned Robi brand from Finland.
In 2013, we took a monumental leap by setting up our own manufacturing facility, paving the way for innovation in
hydraulic breakers and attachments. While we once collaborated closely, today, each company specializes in distinct
and unique product lines, marking our own paths of excellence.
Products of Ramtec Finland company - Robi Brand
Products of Ramtec China company - Ramtec Brand
Question B : Why is the warranty period 18 months?
Answer B : At Ramtec CN, we proudly engineer and produce all core spare parts in-house, ensuring unmatched quality and
reliability. This meticulous control over our production processes and material selection grants us the
confidence to offer an extended 18-month warranty, securing peace of mind for our customers.
Question C : How can we ensure that the product is compatible with the carrier?
Answer C : Leveraging our extensive experience in technical support and real-world applications, we maintain a
comprehensive database of excavator specifications. This enables us to accurately align our products with the
specific dimensions and requirements of your carrier, minimizing communication hurdles and ensuring a seamless fit.
Question D : Why have we never heard of Ramtec CN before?
Answer D : Since its inception, Ramtec CN has focused on delivering exceptional products and services within China, acquiring
significant expertise and supporting prominent domestic brands with OEM hydraulic solutions. As of 2024, we are
thrilled to announce our expansion into the global market, offering Ramtec-branded products internationally.